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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBE1PBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBE1PBE/6-311G*
 hartrees
Energy at 0K-1709.590132
Energy at 298.15K-1709.593416
HF Energy-1709.590132
Nuclear repulsion energy438.813269
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3065 2938 0.03      
2 A1 1325 1270 37.09      
3 A1 769 737 76.84      
4 A1 450 431 24.10      
5 A1 237 227 14.08      
6 A2 174 167 0.00      
7 E 3157 3026 0.50      
7 E 3157 3026 0.50      
8 E 1463 1402 6.43      
8 E 1463 1402 6.43      
9 E 842 807 95.06      
9 E 842 807 95.05      
10 E 581 557 164.18      
10 E 581 557 164.16      
11 E 221 212 4.14      
11 E 221 212 4.15      
12 E 159 152 0.45      
12 E 159 152 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 9432.5 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 9041.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/6-311G*
ABC
0.05824 0.05824 0.04347

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.257
C2 0.000 0.000 2.102
Cl3 0.000 1.915 -0.464
Cl4 1.658 -0.957 -0.464
Cl5 -1.658 -0.957 -0.464
H6 0.000 -1.024 2.483
H7 0.887 0.512 2.483
H8 -0.887 0.512 2.483

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.84432.04612.04612.04612.45022.45022.4502
C21.84433.20123.20123.20121.09271.09271.0927
Cl32.04613.20123.31653.31654.16193.38223.3822
Cl42.04613.20123.31653.31653.38223.38224.1619
Cl52.04613.20123.31653.31653.38224.16193.3822
H62.45021.09274.16193.38223.38221.77351.7735
H72.45021.09273.38223.38224.16191.77351.7735
H82.45021.09273.38224.16193.38221.77351.7735

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.441 Si1 C2 H7 110.441
Si1 C2 H8 110.441 C2 Si1 Cl3 110.638
C2 Si1 Cl4 110.638 C2 Si1 Cl5 110.638
Cl3 Si1 Cl4 108.280 Cl3 Si1 Cl5 108.280
Cl4 Si1 Cl5 108.280 H6 C2 H7 108.484
H6 C2 H8 108.484 H7 C2 H8 108.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.936      
2 C -0.995      
3 Cl -0.256      
4 Cl -0.256      
5 Cl -0.256      
6 H 0.276      
7 H 0.276      
8 H 0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.430 2.430
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.529 0.000 0.000
y 0.000 -60.529 0.000
z 0.000 0.000 -55.174
Traceless
 xyz
x -2.678 0.000 0.000
y 0.000 -2.678 0.000
z 0.000 0.000 5.355
Polar
3z2-r210.711
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.574 0.000 0.000
y 0.000 9.574 0.000
z 0.000 0.000 8.509


<r2> (average value of r2) Å2
<r2> 283.717
(<r2>)1/2 16.844